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Finding the Fourth Proportional to 71,200.52, 106,778.91 and 33,749.51

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Solution

The fourth proportional to 71,200.52, 106,778.91 and 33,749.51 is: 50,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,200.52 : 106,778.91 = 33,749.51 : x
  2. Step 2: Convert to fraction form
    71,200.52/106,778.91 = 33,749.51/x
  3. Step 3: Cross multiply
    71,200.52x = 106,778.91 × 33,749.51
  4. Step 4: Simplify right side
    71,200.52x = 3,603,735,894.29
  5. Step 5: Solve for x
    x = 3,603,735,894.29/71,200.52
  6. Step 6: Final answer
    x = 50,613.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.